qiuwch

#!env python
# script to sync publish this folder to a web server
import time
import glob
import os
import boto
import boto.s3
import os.path
import sys

qiuwch

"""Simple utility script for semi-gracefully downgrading v3 notebooks to v2"""

import io
import os
import sys

from IPython.nbformat import current

def heading_to_md(cell):
    """turn heading cell into corresponding markdown"""

qiuwch

%pylab inline
import pandas as pd
import sqlite3
con = sqlite3.connect("../Project_202a/yelp.db")
df = pd.read_sql(“select * from xx", con)

import MySQLdb
import pandas as pd

db = MySQLdb.connect(host="localhost", # your host, usually localhost

qiuwch

folder_name=${PWD##*/}
unrealcv_zip=unrealcv-5c4762b.zip

if [ ${folder_name} = 'plugins' ] || [ ${folder_name} = 'Plugins' ]; then
    echo "Download plugin"
    wget www.cs.jhu.edu/~qiuwch/unrealcv-plugin/${unrealcv_zip} -c
    echo "Extract files from zip"
    unzip -q -d unrealcv ${unrealcv_zip}
else
    echo "Please run this script in Plugins folder"

qiuwch

class Solution {
  vector<int> a;
public:
  Solution(vector<int> nums) : a(nums) {}

  /** Resets the array to its original configuration and return it. */
  vector<int> reset() { return a; }

  /** Returns a random shuffling of the array. */
  vector<int> shuffle() {

qiuwch

import unittest, time, random
from testcfg import client

class FPSCounter:
    def __init__(self):
        self.start_index = 0
        self.start_time = time.time()

    def tick(self, current_index):
        current_time = time.time()

qiuwch

Use git lfs to track very big files. For more info about github lfs, see here.

Ignore all intermediate files of UE4, only left those essential files to run the project.

qiuwch

Useful snippets for some UE4 tasks.

• draw_center.cpp How to draw actor center
• get_actor.cpp How to get an actor using its id
• draw_debug_3d.cpp How to draw 3D debug points

qiuwch

project_folder=$1
if [[ -z ${project_folder} ]]; then
  echo Please specify project folder
else
  echo Project folder is ${project_folder}
  rm -rf ${project_folder}/Plugins
  cp -r /c/qiuwch/workspace/unrealcv/unrealcv/Plugins ${project_folder}
fi

qiuwch

import numpy as np
import StringIO

filename = 'C:/qiuwch/workspace/cnpy/cnpy/cnpy/arr1.npy'
arr = np.load(filename)
print 'Loading from file %s is done' % filename
print arr.shape
# (64, 64, 128) = 524288
# 8388688, file size